package com.itheima.controller;

import com.itheima.pojo.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@Slf4j
@RestController
public class SessionController {

    // 设置cookie
    @GetMapping("/c1")
    public Result cookie1(HttpServletResponse responses)
    {
        // 设置cookie/响应cookie
        responses.addCookie(new Cookie("login_username", "itheima"));
        return Result.success();
    }

    // 获取cookie
    @GetMapping("/c2")
    public Result cookie2(HttpServletRequest request)
    {
        // 获取所有的cookie
        Cookie[] cookies = request.getCookies();
        for(Cookie cookie: cookies){
            if(cookie.getName().equals("login_username")){
                //System.out.println("login_username: "+cookie.getValue());
                log.info("login_username: {}", cookie.getValue());
            }
        }
        return Result.success();
    }

    // 往HttpSession中存储值
    @GetMapping("/s1")
    public Result session1(HttpSession session)
    {
        log.info("HttpSession-s1: {}", session.hashCode());
        // 往session中存储数据
        session.setAttribute("loginUser", "tom");
        return Result.success();
    }

    // 从HttpSession中获取值
    @GetMapping("/s2")
    public Result session2(HttpServletRequest request)
    {
        HttpSession session = request.getSession();
        log.info("HttpSession-s2: {}", session.hashCode());

        // 从session中获取数据
        Object loginUser = session.getAttribute("loginUser");
        log.info("loginUser: {}", loginUser);
        return Result.success(loginUser);
    }
}
